I encountered a case in which $map = 200000 20000 Density of map is 0.004% map is already sparse otherwise it will run into out-of-memory error readily.
On Thu, Sep 23, 2021, 11:07 PM 'Michael Day' via Programming < [email protected]> wrote: > Henry's comment just now explains the difference in performance, I > should think. > > Bill hasn't yet told us the ones-density or matrix-size. > > Anyway, > Engine: j903/j64avx2/windows > Beta-q: commercial/2021-09-14T15:38:42 > Library: 9.03.06 > Qt IDE: 1.9.3/5.15.2(5.15.2) > Platform: Win 64 > Installer: J903 install > InstallPath: c:/d/j903-beta > Contact: www.jsoftware.com > > Cheers, > > Mike > > > On 23/09/2021 15:53, Raul Miller wrote: > > Possibly special code. Which version of J were you using? > > > > (I haven't benchmarked any of this myself. I probably should...) > > > > Thanks, > > > > > -- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
